Combine flour, rye flour, salt, baking powder, baking soda into bowl and whisk well. Set aside.
1 ¼ cup all purpose flour, ½ cup medium rye flour, ½ tsp fine sea salt, ½ tsp baking powder, ¼ tsp baking soda
In a separate bowl combine browned butter, brown sugar, sugar and vanilla. Whisk until lighter in color - about 1 to 2 minutes.
¼ cup sugar, 1 tbsp vanilla extract, ½ cup brown sugar, light or dark - packed
Add egg and whisk until well combined - about 1 minute.
1 large egg
Add dry ingredients to wet ingredients and whisk until flour is just combined. You may also use a spatula to fold ingredients in.
Allow cookie dough to sit for 15 to 20 minutes, covered with plastic wrap or a kitchen towel. Preheat oven to 350 F.
Use 2 tablespoon cookie scoop to scoop out dough, press into scoop, and then place on cookie sheet. Bake 5 to 6 per sheet.
Bake for 12 minutes, or until you begin to see edges browning and crispy. Remove from oven and allow to cool on cooling rack.